Washability curve based on float and sink test enables an assessment to
be made of the possibility of cleaning a coal fraction based on the
(A) Density separation
(B) Differential wettability
(C) Size
(D) Volatile matter content
be made of the possibility of cleaning a coal fraction based on the
(A) Density separation
(B) Differential wettability
(C) Size
(D) Volatile matter content